Selected MCQ

Current Question
Which equation governs fluid motion?
  • A. Schrödinger
  • B. Navier–Stokes
  • C. Maxwell
  • D. Dirac
Correct Answer: B
Explanation:
Navier–Stokes describes fluid dynamics.
Related Question 1
Which equation governs quantum evolution?
  • A. Newton’s second law
  • B. Schrödinger equation
  • C. Maxwell equation
  • D. Navier-Stokes equation
Correct Answer: B
Explanation:
Schrödinger equation describes time evolution of wavefunction.
Related Question 2
Which energy is motion?
  • A. Potential
  • B. Thermal
  • C. Kinetic
  • D. Chemical
Correct Answer: C
Explanation:
Motion defines kinetic energy.
Related Question 3
Which law governs blackbody radiation spectrum?
  • A. Newton’s law
  • B. Planck’s law
  • C. Boyle’s law
  • D. Hooke’s law
Correct Answer: B
Explanation:
Planck’s law describes spectral energy distribution.
Related Question 4
The Dirac equation predicts existence of:
  • A. Neutrons
  • B. Positrons
  • C. Photons
  • D. Quarks
Correct Answer: B
Explanation:
Dirac’s relativistic equation led to prediction of antimatter.
Related Question 5
Which statement about simple harmonic motion is correct?
  • A. Acceleration is proportional to displacement and in the same direction
  • B. Velocity is maximum at extreme position
  • C. Total energy varies sinusoidally
  • D. Acceleration is proportional to displacement and opposite in direction
Correct Answer: D
Explanation:
SHM requires a restoring acceleration opposite to displacement.